Muscle Naming System

Choose which muscle naming rules are used for (check all that apply):

Pectoralis major

• Location of muscle

• Direction of the muscle fibers

• Relative size of the muscle

• Number of origins

• Location of the muscle's origin and insertion

Choose which muscle naming rules are used for (check all that apply):

Frontalis

• Direction of muscle fibers

• Shape of the muscle

• Action of the muscle

• Location of the muscle

• Direction of muscle fibers

Choose which muscle naming rules are used for (check all that apply):

Rectus abdominis

• Action of the muscle

• Number of origins

• Location of the muscle

• Number of origins

• Direction of the muscle fibers

Choose which muscle naming rules are used for (check all that apply):

Adductor group

• Relative size of the muscle

• Location of the muscle

• Number of origins

• Action of the muscle

• Shape of the muscle

Choose which muscle naming rules are used for (check all that apply):

Trapezius

• Action of the muscle

• Direction of the muscle fibers

• Number of origins

• Relative size of the muscle

• Shape of the muscle

Choose which muscle naming rules are used for (check all that apply):

Sternocleidomastoid

• Direction of muscle fibers

• Number of origins

• Location of muscle

• Location of the muscle's origin and insertion

• Direction of the muscle fibers

Gluteus medius

• Location of the muscle

• Relative size of the muscle

• Direction of the muscle fibers

• Action of the muscle

• Shape of the muscle

Choose which muscle naming rules are used for (check all that apply):

Quadratus lumborum

• Relative size of the muscle

• Direction of muscle fibers

• Relative size of the muscle

• Location of muscle

• Number of origins

Choose which muscle naming rules are used for (check all that apply):

External oblique

• Location of muscle

• Direction of muscle fibers

• Relative size of the muscle

• Action of the muscle

• Location of muscle's origin and insertion

Choose which muscle naming rules are used for (check all that apply):

Extensor digitorum longus

• Direction of muscle fibers

• Location of muscle

• Action of muscle

• Relative size of the muscle

• Shape of the muscle